:root {
    --ink: #06121e;
    --ink-2: #0b2134;
    --paper: #f8fafb;
    --white: #ffffff;
    --mist: #eaf0f3;
    --line: #cfdbe1;
    --muted: #5f707c;
    --cyan: #37d8ff;
    --cyan-dark: #087e9c;
    --amber: #f2b84b;
    --max: 1200px;
    --radius: 4px;
    --shadow: 0 24px 70px rgba(5, 20, 34, .14);
    --display: "Bahnschrift", "Avenir Next Condensed", "Arial Narrow", sans-serif;
    --body: "Aptos", "Trebuchet MS", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 17px; line-height: 1.65; text-rendering: optimizeLegibility; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 999; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
h1, h2, h3, h4 { margin: 0 0 .65em; font-family: var(--display); font-weight: 650; line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(2.8rem, 6vw, 6.4rem); }
h2 { font-size: clamp(2rem, 4vw, 4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.65rem); }
p { margin: 0 0 1.25em; }
address { font-style: normal; }
.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 48px), 850px); margin-inline: auto; }
.section { padding-block: clamp(72px, 9vw, 132px); }
.section-tint { background: var(--mist); }
.eyebrow { margin-bottom: 1rem; color: var(--cyan-dark); font-family: var(--display); font-size: .76rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.prose-large { font-size: clamp(1.12rem, 2vw, 1.35rem); line-height: 1.65; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 10000; transform: translateY(-150%); padding: 10px 16px; color: var(--ink); background: var(--cyan); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid var(--cyan); border-radius: var(--radius); color: var(--ink); background: var(--cyan); font-family: var(--display); font-size: .88rem; font-weight: 750; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(55, 216, 255, .25); }
.button-ghost { color: var(--white); background: transparent; border-color: rgba(255, 255, 255, .55); }
.button-ghost:hover { background: rgba(255, 255, 255, .1); }
.button-dark { color: var(--white); background: var(--ink); border-color: var(--ink); }
.button-light { color: var(--ink); background: var(--white); border-color: var(--white); }
.text-link, .card-link { color: var(--ink); font-family: var(--display); font-size: .85rem; font-weight: 750; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.text-link:hover, .card-link:hover { color: var(--cyan-dark); }
.text-link-light { color: var(--white); font-family: var(--display); font-weight: 700; text-decoration: none; }

.site-header { position: relative; z-index: 50; color: var(--white); background: var(--ink); }
.header-topline { border-bottom: 1px solid rgba(255,255,255,.1); color: #aab9c4; font-size: .78rem; }
.topline-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topline-links { display: flex; gap: 24px; }
.topline-links a { text-decoration: none; }
.topline-links a:hover { color: var(--cyan); }
.nav-shell { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { width: 128px; height: auto; filter: brightness(0) invert(1); object-fit: contain; }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-family: var(--display); font-size: 1rem; letter-spacing: .015em; }
.brand small { margin-top: 5px; color: #8497a5; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 30px; font-family: var(--display); font-size: .86rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.primary-nav > a, .nav-group > a { position: relative; padding-block: 34px; text-decoration: none; }
.primary-nav > a::after, .nav-group > a::after { content: ""; position: absolute; right: 0; bottom: 26px; left: 0; height: 2px; transform: scaleX(0); background: var(--cyan); transform-origin: right; transition: transform .25s; }
.primary-nav > a:hover::after, .nav-group > a:hover::after { transform: scaleX(1); transform-origin: left; }
.primary-nav .nav-cta { padding: 12px 18px; border: 1px solid rgba(255,255,255,.25); }
.primary-nav .nav-cta::after { display: none; }
.nav-group { position: relative; display: flex; align-items: center; }
.submenu-toggle { display: none; }
.submenu { position: absolute; top: calc(100% - 16px); left: -24px; width: 320px; padding: 12px; border-top: 2px solid var(--cyan); opacity: 0; visibility: hidden; transform: translateY(10px); background: var(--white); box-shadow: var(--shadow); transition: .22s; }
.submenu a { display: block; padding: 11px 12px; color: var(--ink); text-decoration: none; text-transform: none; letter-spacing: 0; }
.submenu a:hover { color: var(--cyan-dark); background: var(--mist); }
.nav-group:hover .submenu, .nav-group:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; color: var(--white); background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; width: 25px; height: 2px; margin: 5px auto; background: currentColor; }

.hero { position: relative; min-height: clamp(560px, 70vw, 760px); overflow: hidden; color: var(--white); background: var(--ink); }
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; z-index: 0; opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s; }
.hero-slide.is-active { z-index: 1; opacity: 1; visibility: visible; }
.hero-slide > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.025); transition: transform 7s linear; }
.hero-slide.is-active > img { transform: scale(1); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,13,23,.94) 0%, rgba(3,13,23,.7) 42%, rgba(3,13,23,.1) 76%), linear-gradient(0deg, rgba(3,13,23,.75), transparent 45%); }
.hero-copy { position: relative; z-index: 2; min-height: clamp(560px, 70vw, 760px); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-block: 110px; }
.hero-copy .eyebrow { color: var(--cyan); }
.hero-copy h1, .hero-copy h2 { max-width: 880px; margin-bottom: 24px; font-size: clamp(3rem, 7vw, 7.5rem); letter-spacing: -.045em; text-wrap: balance; }
.hero-copy > p:not(.eyebrow) { max-width: 680px; color: #d4dfe5; font-size: clamp(1.1rem, 2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.carousel-controls { position: absolute; right: 0; bottom: 35px; left: 0; z-index: 5; display: flex; align-items: center; justify-content: flex-end; gap: 14px; }
.carousel-controls > button { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; color: var(--white); background: rgba(4,17,29,.35); cursor: pointer; }
.carousel-dots { display: flex; gap: 9px; }
.carousel-dots button { width: 28px; height: 3px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; }
.carousel-dots button[aria-selected="true"] { background: var(--cyan); }
.trust-strip { color: var(--white); background: #0b1d2c; border-top: 1px solid rgba(255,255,255,.08); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; padding: 28px 24px; border-right: 1px solid rgba(255,255,255,.1); }
.trust-grid > div:first-child { border-left: 1px solid rgba(255,255,255,.1); }
.trust-grid span { grid-row: 1 / 3; color: var(--cyan); font-family: var(--display); font-size: .75rem; }
.trust-grid strong { font-family: var(--display); }
.trust-grid small { color: #8396a5; }

.intro-grid, .compare-section, .application-section, .project-copy, .project-note, .about-details { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 9vw, 140px); align-items: start; }
.intro-grid h2 { max-width: 600px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 48px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading-wide > div { max-width: 760px; }
.section-heading-wide > p, .section-heading.light > p { max-width: 440px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { display: flex; min-width: 0; flex-direction: column; background: var(--white); box-shadow: 0 8px 30px rgba(6,18,30,.06); transition: transform .3s, box-shadow .3s; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card-image { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink); }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s; }
.product-card:hover .card-image img { transform: scale(1.045); }
.card-image span { position: absolute; right: 0; bottom: 0; left: 0; padding: 22px 20px 12px; color: var(--white); background: linear-gradient(transparent, rgba(3,13,23,.88)); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 25px; }
.card-body h2, .card-body h3 { font-size: 1.45rem; }
.card-body h2 a, .card-body h3 a { text-decoration: none; }
.card-body p { color: var(--muted); font-size: .95rem; }
.card-link { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; }
.product-grid-listing { grid-template-columns: repeat(3, 1fr); }
.compare-section { align-items: center; }
.compare-visual { position: relative; min-height: 500px; overflow: hidden; background: var(--ink); box-shadow: var(--shadow); }
.compare-visual img { width: 100%; height: 100%; min-height: 500px; object-fit: cover; }
.light-orbit { position: absolute; width: 450px; height: 450px; right: -220px; bottom: -220px; border: 1px solid rgba(55,216,255,.55); border-radius: 50%; box-shadow: 0 0 100px rgba(55,216,255,.25), inset 0 0 80px rgba(55,216,255,.15); }
.compare-row { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding-block: 22px; border-top: 1px solid var(--line); }
.compare-row span { color: var(--cyan-dark); font-family: var(--display); font-size: .75rem; }
.compare-row h3 { margin-bottom: 8px; }
.compare-row p { color: var(--muted); }
.dark-panel { position: relative; overflow: hidden; color: var(--white); background: var(--ink); }
.dark-panel::before { content: ""; position: absolute; top: -40%; right: -10%; width: 700px; height: 700px; border: 1px solid rgba(55,216,255,.16); border-radius: 50%; box-shadow: 0 0 120px rgba(55,216,255,.09); }
.dark-panel .eyebrow { color: var(--cyan); }
.section-heading.light { position: relative; align-items: end; }
.section-heading.light > p { color: #aab9c4; }
.advantage-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.13); }
.advantage-grid article { padding: 34px 28px; border-right: 1px solid rgba(255,255,255,.13); }
.advantage-grid article:last-child { border-right: 0; }
.advantage-grid span { display: block; margin-bottom: 70px; color: var(--cyan); font-size: 1.5rem; }
.advantage-grid h3 { font-size: 1.35rem; }
.advantage-grid p { color: #9fb0bb; font-size: .92rem; }
.project-feature-grid { display: grid; grid-template-columns: 1.35fr .65fr .65fr 1.35fr; grid-auto-rows: 390px; gap: 12px; }
.project-feature { position: relative; overflow: hidden; color: var(--white); background: var(--ink); }
.project-feature img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s, opacity .55s; }
.project-feature:hover img { transform: scale(1.04); opacity: .78; }
.project-feature > span { position: absolute; inset: auto 0 0; display: flex; align-items: end; justify-content: space-between; gap: 14px; padding: 70px 24px 22px; background: linear-gradient(transparent, rgba(3,13,23,.9)); }
.project-feature strong { font-family: var(--display); font-size: 1.25rem; }
.project-feature small { color: var(--cyan); white-space: nowrap; }
.faq-section details { border-top: 1px solid var(--line); }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 24px 0; font-family: var(--display); font-size: 1.2rem; font-weight: 650; cursor: pointer; list-style: none; }
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary span { color: var(--cyan-dark); font-size: 1.6rem; transition: transform .25s; }
.faq-section details[open] summary span { transform: rotate(45deg); }
.faq-section details p { max-width: 720px; padding: 0 0 24px; color: var(--muted); }

.page-masthead { position: relative; overflow: hidden; padding-block: clamp(80px, 11vw, 150px); color: var(--white); background: var(--ink); }
.page-masthead::after { content: ""; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(55,216,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(55,216,255,.08) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent, black); }
.masthead-glow { position: absolute; top: 50%; right: -80px; width: 520px; height: 2px; background: var(--cyan); box-shadow: 0 0 28px 5px var(--cyan); transform: rotate(-12deg); }
.masthead-content { position: relative; z-index: 2; }
.masthead-content .eyebrow { color: var(--cyan); }
.masthead-content h1 { max-width: 1000px; font-size: clamp(2.7rem, 6vw, 6.3rem); }
.masthead-content > p:last-child { max-width: 720px; color: #b9c8d1; font-size: 1.2rem; }
.breadcrumb { min-height: 58px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .82rem; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan-dark); }

.compact-dark { padding-block: 75px; }
.split-callout { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.split-callout p { color: #aab9c4; }
.split-callout address { color: #dce7eb; }
.product-intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(45px, 8vw, 110px); align-items: start; }
.product-main-image { width: 100%; aspect-ratio: 1 / .78; object-fit: cover; background: var(--mist); box-shadow: var(--shadow); }
.product-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.product-thumbs img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--mist); }
.selection-panel { margin: 32px 0; padding: 26px; border-left: 3px solid var(--cyan-dark); background: var(--mist); }
.selection-panel h3 { font-size: 1.15rem; }
.selection-panel ul { margin: 0; padding-left: 20px; }
.selection-panel li + li { margin-top: 8px; }
.specifications-section { padding-block: clamp(70px, 8vw, 110px); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); background: var(--white); box-shadow: 0 16px 50px rgba(6,18,30,.07); }
table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
thead th { position: sticky; top: 0; color: var(--white); background: var(--ink); font-family: var(--display); font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
tbody th { font-family: var(--display); }
tbody tr:nth-child(even) { background: #f3f7f8; }
tbody tr:hover { background: #e5f7fb; }
.application-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.application-grid article { min-height: 145px; padding: 26px; background: var(--paper); }
.application-grid span { color: var(--cyan-dark); font-family: var(--display); font-size: .75rem; }
.application-grid p { margin: 34px 0 0; font-family: var(--display); font-weight: 650; }
.project-list-grid { display: grid; gap: 70px; }
.project-list-grid article { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(35px, 7vw, 90px); align-items: center; }
.project-list-grid article:nth-child(even) .project-list-image { order: 2; }
.project-list-image { overflow: hidden; box-shadow: var(--shadow); }
.project-list-image img { width: 100%; aspect-ratio: 1.25 / 1; object-fit: cover; transition: transform .5s; }
.project-list-image:hover img { transform: scale(1.035); }
.project-list-grid h2 { font-size: clamp(2rem, 3vw, 3.3rem); }
.project-list-grid h2 a { text-decoration: none; }
.project-copy { padding-bottom: 70px; }
.inline-checks { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.inline-checks li { padding: 8px 12px; border: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.project-gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-flow: dense; gap: 12px; }
.project-gallery figure { position: relative; min-height: 300px; margin: 0; overflow: hidden; background: var(--mist); }
.project-gallery figure.gallery-wide { grid-column: span 2; }
.project-gallery img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; transition: transform .55s; }
.project-gallery figure:hover img { transform: scale(1.035); }
.project-gallery figcaption { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; color: var(--white); background: rgba(3,13,23,.7); font-size: .72rem; }
.project-note { align-items: center; }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.facts-grid article { min-height: 250px; padding: 28px; background: var(--white); }
.facts-grid span { color: var(--cyan-dark); font-family: var(--display); font-size: .75rem; }
.facts-grid h3 { margin-top: 80px; }
.facts-grid p { color: var(--muted); font-size: .92rem; }
.about-lead { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.about-image { position: relative; }
.about-image img { width: 100%; min-height: 550px; object-fit: cover; box-shadow: var(--shadow); }
.about-image span { position: absolute; right: -15px; bottom: 30px; padding: 12px 20px; color: var(--ink); background: var(--cyan); font-family: var(--display); font-weight: 700; }
.prose-stack p { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(50px, 9vw, 130px); align-items: start; }
.contact-details > p:not(.eyebrow) { color: var(--muted); }
.contact-card { padding: 22px 0; border-top: 1px solid var(--line); }
.contact-card span { display: block; margin-bottom: 5px; color: var(--muted); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.contact-card a { font-family: var(--display); font-size: 1.12rem; font-weight: 650; text-decoration: none; }
.contact-card a:hover { color: var(--cyan-dark); }
.contact-hours { margin-top: 24px; font-size: .85rem; }
.form-panel { padding: clamp(28px, 5vw, 55px); background: var(--white); box-shadow: var(--shadow); }
.contact-form { display: grid; }
.contact-form > label:not(.privacy-check) { margin: 16px 0 7px; font-family: var(--display); font-size: .86rem; font-weight: 700; }
.contact-form label span { color: #b23939; }
.contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 0; padding: 13px 14px; color: var(--ink); background: #fbfcfc; outline: none; transition: border-color .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--cyan-dark); box-shadow: 0 0 0 3px rgba(8,126,156,.12); }
.privacy-check { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; margin: 22px 0; color: var(--muted); font-size: .86rem; }
.privacy-check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--cyan-dark); }
.privacy-check span { color: inherit; }
.honeypot { position: absolute !important; left: -9999px !important; }
.form-status { margin-bottom: 18px; padding: 16px 18px; border-left: 3px solid; }
.form-status p, .form-status ul { margin: 5px 0 0; }
.form-status.success { border-color: #2d8c68; background: #eaf7f1; }
.form-status.error { border-color: #b23939; background: #fff0f0; }
.legacy-layout { display: grid; grid-template-columns: 280px 1fr; gap: clamp(50px, 9vw, 130px); align-items: center; }
.legacy-marker { aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; text-align: center; box-shadow: inset 0 0 70px rgba(55,216,255,.1); }
.legacy-marker span, .legacy-marker small { color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; }
.legacy-marker strong { font-family: var(--display); font-size: 2.4rem; }
.legacy-actions { display: flex; align-items: center; gap: 24px; margin-top: 30px; }

.contact-ribbon { position: relative; overflow: hidden; color: var(--ink); background: var(--cyan); }
.contact-ribbon::after { content: ""; position: absolute; top: 50%; right: -5%; width: 500px; height: 500px; border: 1px solid rgba(6,18,30,.18); border-radius: 50%; transform: translateY(-50%); }
.contact-ribbon-inner { position: relative; z-index: 2; min-height: 240px; display: flex; align-items: center; justify-content: space-between; gap: 45px; }
.contact-ribbon .eyebrow { color: var(--ink); opacity: .65; }
.contact-ribbon h2 { max-width: 720px; margin: 0; font-size: clamp(2rem, 4vw, 3.6rem); }
.ribbon-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; }
.text-link-light { color: var(--ink); }
.site-footer { color: #a8b8c2; background: #030b12; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr 1.3fr; gap: 50px; padding-block: 75px; }
.footer-grid h2 { color: var(--white); font-size: .95rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid > div:not(.footer-brand) > a { display: block; margin: 7px 0; text-decoration: none; }
.footer-grid a:hover { color: var(--cyan); }
.footer-brand img { width: 130px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 330px; margin-top: 24px; }
.footer-contact address { margin-top: 14px; font-size: .88rem; }
.footer-bottom { min-height: 70px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .75rem; }

@media (max-width: 1050px) {
    .brand span { display: none; }
    .primary-nav { gap: 20px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .project-feature-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 360px; }
    .advantage-grid, .facts-grid { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid article:nth-child(2) { border-right: 0; }
    .advantage-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
    .footer-grid { grid-template-columns: 1.2fr .8fr .8fr; }
    .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
    body { font-size: 16px; }
    .shell, .narrow { width: min(calc(100% - 32px), var(--max)); }
    .header-topline { display: none; }
    .nav-shell { min-height: 74px; }
    .brand img { width: 115px; }
    .menu-toggle { display: block; }
    .primary-nav { position: absolute; top: 74px; right: 0; left: 0; display: none; align-items: stretch; padding: 18px 16px 26px; background: var(--ink); border-top: 1px solid rgba(255,255,255,.1); }
    .primary-nav.is-open { display: block; }
    .primary-nav > a, .nav-group > a { display: block; padding: 13px 8px; }
    .primary-nav > a::after, .nav-group > a::after { display: none; }
    .primary-nav .nav-cta { margin-top: 10px; text-align: center; }
    .nav-group { display: grid; grid-template-columns: 1fr 44px; }
    .submenu-toggle { display: block; border: 0; color: var(--white); background: transparent; font-size: 1.3rem; }
    .submenu { position: static; grid-column: 1 / -1; display: none; width: auto; padding: 8px; border-top: 0; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
    .nav-group.submenu-open .submenu { display: block; }
    .hero { min-height: 650px; }
    .hero-copy { min-height: 650px; padding: 100px 0 125px; }
    .hero-copy h1, .hero-copy h2 { font-size: clamp(2.8rem, 13vw, 5rem); }
    .hero-shade { background: linear-gradient(90deg, rgba(3,13,23,.93), rgba(3,13,23,.5)), linear-gradient(0deg, rgba(3,13,23,.75), transparent); }
    .carousel-controls { justify-content: flex-start; bottom: 25px; }
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .trust-grid > div { border-bottom: 1px solid rgba(255,255,255,.1); }
    .intro-grid, .compare-section, .application-section, .project-copy, .project-note, .about-details, .split-callout, .product-intro, .about-lead, .contact-layout, .legacy-layout { grid-template-columns: 1fr; gap: 42px; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .product-grid, .product-grid-listing { grid-template-columns: 1fr 1fr; }
    .project-list-grid article { grid-template-columns: 1fr; gap: 30px; }
    .project-list-grid article:nth-child(even) .project-list-image { order: 0; }
    .project-gallery { grid-template-columns: 1fr 1fr; }
    .application-grid { grid-template-columns: 1fr; }
    .contact-ribbon-inner { min-height: 300px; align-items: flex-start; justify-content: center; flex-direction: column; padding-block: 50px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand, .footer-contact { grid-column: 1 / -1; }
    .legacy-marker { width: 240px; }
}

@media (max-width: 520px) {
    .section { padding-block: 68px; }
    .hero-actions { width: 100%; }
    .hero-actions .button { width: 100%; }
    .trust-grid, .product-grid, .product-grid-listing, .advantage-grid, .facts-grid, .project-feature-grid, .project-gallery, .footer-grid { grid-template-columns: 1fr; }
    .trust-grid > div { border-left: 1px solid rgba(255,255,255,.1); }
    .advantage-grid article, .advantage-grid article:nth-child(2) { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
    .advantage-grid article:last-child { border-bottom: 0; }
    .advantage-grid span { margin-bottom: 35px; }
    .project-feature-grid { grid-auto-rows: 340px; }
    .project-gallery figure.gallery-wide { grid-column: span 1; }
    .project-gallery figure, .project-gallery img { min-height: 270px; }
    .footer-brand, .footer-contact { grid-column: auto; }
    .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 22px; }
    .legacy-actions { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}